titlepaneappui.cpp

series60 应用程序开发的源代码 series60 应用程序开发的源代码

/**
* 
* @brief Definition of CTitlePaneAppUi
*
* Copyright (c) EMCC Software Ltd 2003
* @version 1.0
*/

// INCLUDE FILES

//  Class include
#include "TitlePaneAppUi.h"

// System includes
#include <avkon.rsg>
#include <TitlePane.rsg>
#include <akntitle.h>
#include <akncontext.h>
#include <stringloader.h>
#include <aknnavi.h>
#include <akntabgrp.h>
#include <aknnavide.h>
#include <TitlePane.mbg>  // icons

// User includes
#include "TitlePane.hrh" // TTitlePaneViewNumber
#include "TitlePaneView1.h" // CTitlePaneView1

_LIT(KTitleBitMapFile, "\\system\\apps\\titlepane\\titlepane.mbm");

// ================= MEMBER FUNCTIONS =======================

CTitlePaneAppUi::CTitlePaneAppUi()
    : iNaviDecorator(NULL)
{
}


CTitlePaneAppUi::~CTitlePaneAppUi()
{
    delete iNaviDecorator;
}
    
/**
* Symbian OS 2nd phase constructor.  Constructs the application's views, 
* transferring ownership of them to the superclass.
* Sets view 1 as the default and remembers that this is the current view id.  
*/    
void CTitlePaneAppUi::ConstructL()
{
    BaseConstructL();

    iView1 = CTitlePaneView1::NewL();
    AddViewL(iView1); // transfer ownership
}

/**
* From CEikAppUi, takes care of command handling for application views.
*
* @param aCommand command to be handled
*/
void CTitlePaneAppUi::HandleCommandL(TInt aCommand)
{
    switch (aCommand)
    {

        // change the title pane text
        case ETitlePaneSetTitleText:
        {
            TUid titlePaneUid;
            titlePaneUid.iUid = EEikStatusPaneUidTitle;

            CEikStatusPane* statusPane = StatusPane();

               CEikStatusPaneBase::TPaneCapabilities subPane =
                statusPane->PaneCapabilities(titlePaneUid);

            // if we can access the title pane
            if (subPane.IsPresent() && subPane.IsAppOwned())
            {

                CAknTitlePane* titlePane = (CAknTitlePane*) statusPane->ControlL(titlePaneUid);

                // read the title text from the resource file
                HBufC* titleText = StringLoader::LoadLC(R_TITLE_TEXT);

                // set the title pane's text
                titlePane->SetTextL(*titleText);
                CleanupStack::PopAndDestroy(titleText);
            }

            break;
        }

        // reset the title pane back to its default text
        case ETitlePaneSetTitleDefault:
        {
            TUid titlePaneUid;
            titlePaneUid.iUid = EEikStatusPaneUidTitle;

            CEikStatusPane* statusPane = StatusPane();

               CEikStatusPaneBase::TPaneCapabilities subPane =
                statusPane->PaneCapabilities(titlePaneUid);

            // if we can access the title pane
            if (subPane.IsPresent() && subPane.IsAppOwned())
            {
                CAknTitlePane* titlePane = (CAknTitlePane*) statusPane->ControlL(titlePaneUid);

                // set the title text back to its default
                titlePane->SetTextToDefaultL();
            }
            
            break;
        }

        // display a bitmap in the title pane
        case ETitlePaneSetTitleImage:
        {
            TUid titlePaneUid;
            titlePaneUid.iUid = EEikStatusPaneUidTitle;

            CEikStatusPane* statusPane = StatusPane();

               CEikStatusPaneBase::TPaneCapabilities subPane =
                statusPane->PaneCapabilities(titlePaneUid);

            // if we can access the title pane
            if (subPane.IsPresent() && subPane.IsAppOwned())
            {
                CAknTitlePane* titlePane = (CAknTitlePane*) statusPane->ControlL(titlePaneUid);
                CFbsBitmap* bitmap = iEikonEnv->CreateBitmapL(KTitleBitMapFile, EMbmTitlepaneTitle);
                // set the title pane's image
                titlePane->SetPicture(bitmap);
            }

            break;
        }

        // display a bitmap in the context pane
        case ETitlePaneSetContextImage:
        {
               TUid contextPaneUid;
               contextPaneUid.iUid = EEikStatusPaneUidContext;

            CEikStatusPane* statusPane = StatusPane();

               CEikStatusPaneBase::TPaneCapabilities subPane =
                statusPane->PaneCapabilities(contextPaneUid);

            // if we can access the context pane
            if (subPane.IsPresent() && subPane.IsAppOwned())
            {
                CEikStatusPane* statusPane = StatusPane();
                CAknContextPane* contextPane = (CAknContextPane*) statusPane->ControlL(contextPaneUid);
                CFbsBitmap* bitmap = iEikonEnv->CreateBitmapL(KTitleBitMapFile, EMbmTitlepaneContext);
                // set the context pane's image
                contextPane->SetPicture(bitmap);
            }
            break;
        }

        // display two tabs in the navigation pane
        case ETitlePaneSetNaviPane:
        {
            TUid naviPaneUid;
            naviPaneUid.iUid = EEikStatusPaneUidNavi;

            CEikStatusPane* statusPane = StatusPane();

            CEikStatusPaneBase::TPaneCapabilities subPane =
                statusPane->PaneCapabilities(naviPaneUid);

            // if we can access the navigation pane
            if (subPane.IsPresent() && subPane.IsAppOwned())
            {

                CAknNavigationControlContainer* naviPane =
                    (CAknNavigationControlContainer *) statusPane->ControlL(naviPaneUid);

                delete iNaviDecorator;
                iNaviDecorator = NULL;

                // ownership is transferred to us here
                iNaviDecorator = naviPane->CreateTabGroupL();

                // ownership not transferred
                CAknTabGroup* tabGroup = (CAknTabGroup*) iNaviDecorator->DecoratedControl();

                // Display two tabs of normal length on the navigation pane at a time
                tabGroup->SetTabFixedWidthL(KTabWidthWithTwoTabs);

                TInt tabId = 0;

                // load the text to be displayed in the tabs
                HBufC* tab1Text = StringLoader::LoadLC(R_TAB1_TEXT);
                tabGroup->AddTabL(tabId++, *tab1Text);
                CleanupStack::PopAndDestroy(tab1Text);

                HBufC* tab2Text = StringLoader::LoadLC(R_TAB2_TEXT);
                tabGroup->AddTabL(tabId++, *tab2Text);
                CleanupStack::PopAndDestroy(tab2Text);

                // highlight the first tab
                tabGroup->SetActiveTabByIndex(0);
                naviPane->PushL(*iNaviDecorator);
            }
            break;
        }

        // display a tab with an image in the navigation pane
        case ETitlePaneSetNaviPaneTabImage:
        {
            TUid naviPaneUid;
            naviPaneUid.iUid = EEikStatusPaneUidNavi;

            CEikStatusPane* statusPane = StatusPane();

            CEikStatusPaneBase::TPaneCapabilities subPane =
                statusPane->PaneCapabilities(naviPaneUid);

            // if we can access the navigation pane
            if (subPane.IsPresent() && subPane.IsAppOwned())
            {

                CAknNavigationControlContainer* naviPane =
                    (CAknNavigationControlContainer *) statusPane->ControlL(naviPaneUid);

                delete iNaviDecorator;
                iNaviDecorator = NULL;

                // ownership is transferred to us here
                iNaviDecorator = naviPane->CreateTabGroupL();

                // ownership not transferred
                CAknTabGroup* tabGroup = (CAknTabGroup*) iNaviDecorator->DecoratedControl();

                // Display two tabs of normal length on the navigation pane at a time
                tabGroup->SetTabFixedWidthL(KTabWidthWithTwoTabs);

                TInt tabId = 0;

                // load the bitmap to be displayed in the tabs
                   CFbsBitmap* bitmap = iEikonEnv->CreateBitmapL(KTitleBitMapFile, EMbmTitlepaneTab);
                // display a bitmap in the tab
                tabGroup->AddTabL(tabId++, bitmap);

                // highlight the first tab
                tabGroup->SetActiveTabByIndex(0);
                naviPane->PushL(*iNaviDecorator);
            }
            break;
        }

        // display a label in the navigation pane
        case ETitlePaneSetNaviPaneLabel:
        {
            TUid naviPaneUid;
            naviPaneUid.iUid = EEikStatusPaneUidNavi;
            CEikStatusPane* statusPane = StatusPane();

               CEikStatusPaneBase::TPaneCapabilities subPane =
                statusPane->PaneCapabilities(naviPaneUid);

            // if we can access the navigation pane
            if (subPane.IsPresent() && subPane.IsAppOwned())
            {
                CAknNavigationControlContainer* naviPane =
                    (CAknNavigationControlContainer *) statusPane->ControlL(naviPaneUid);

                delete iNaviDecorator;
                iNaviDecorator = NULL;

                HBufC* labelText = StringLoader::LoadLC(R_NAVIGATION_LABEL_TEXT);
                // set the navigation pane's label
                iNaviDecorator = naviPane->CreateNavigationLabelL(*labelText);
                CleanupStack::PopAndDestroy(labelText);

                naviPane->PushL(*iNaviDecorator);
            }
            break;
        }
        
        // display a volume control in the navigation pane
        case ETitlePaneSetNaviPaneIndicator:
        {
            TUid naviPaneUid;
            naviPaneUid.iUid = EEikStatusPaneUidNavi;

            CEikStatusPane* statusPane = StatusPane();

            CEikStatusPaneBase::TPaneCapabilities subPane =
                statusPane->PaneCapabilities(naviPaneUid);

            // if we can access the navigation pane
            if (subPane.IsPresent() && subPane.IsAppOwned())
            {

                CAknNavigationControlContainer* naviPane =
                    (CAknNavigationControlContainer *) statusPane->ControlL(naviPaneUid);

                delete iNaviDecorator;
                iNaviDecorator = NULL;

                // create a volume indicator on the navigation pane
                iNaviDecorator = naviPane->CreateVolumeIndicatorL(R_AVKON_NAVI_PANE_VOLUME_INDICATOR);

                naviPane->PushL(*iNaviDecorator);
            }


            CAknVolumeControl* volumeControl = (CAknVolumeControl*) iNaviDecorator->DecoratedControl();

            // Get the current volume level
            TInt curVolume = volumeControl->Value();
            // Increase the volume level by one                
            volumeControl->SetValue(++curVolume);
            break;
        }

        // display an image in the navigation pane
        case ETitlePaneSetNaviPaneImage:
        {
            TUid naviPaneUid;
            naviPaneUid.iUid = EEikStatusPaneUidNavi;

            CEikStatusPane* statusPane = StatusPane();

            CEikStatusPaneBase::TPaneCapabilities subPane =
                statusPane->PaneCapabilities(naviPaneUid);

            // if we can access the navigation pane
            if (subPane.IsPresent() && subPane.IsAppOwned())
            {

                CAknNavigationControlContainer* naviPane =
                    (CAknNavigationControlContainer *) statusPane->ControlL(naviPaneUid);

                delete iNaviDecorator;
                iNaviDecorator = NULL;

                // Create a bitmap to display
                   CFbsBitmap* bitmap = iEikonEnv->CreateBitmapL(KTitleBitMapFile, EMbmTitlepaneNavigation);

                // create an image on the navigation pane
                iNaviDecorator = naviPane->CreateNavigationImageL(bitmap);

                   naviPane->PushL(*iNaviDecorator);
            }

        }
            break;

        case EEikCmdExit:
        {
            Exit();
            break;
        }
        default:
            break;        
    }
}

/**
* Handle key presses, and pass them to the navigation decorator if it exists
*
* @param aKeyEvent key pressed information
* @param aType  type of key event
*/
TKeyResponse CTitlePaneAppUi::HandleKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType)
{

    if (iNaviDecorator == NULL)
    {
        return EKeyWasNotConsumed;
    }

    CAknTabGroup* tabGroup = (CAknTabGroup*) iNaviDecorator->DecoratedControl();

    if (tabGroup == NULL)
    {
        return EKeyWasNotConsumed;
    }

    // if we've got a tab group, then offer the key event to it.
    return tabGroup->OfferKeyEventL(aKeyEvent, aType);

}

// End of File